Some readers of my blog described their Benz Xentry Diagnostic software get “Fault(2.27)-7.870 Series fault!Please contact the User Help Desk” error when they try to connect to Benz cars to perform diagnostics.So here car-auto-repair.com show you guide on how to solve this error.
For this error you need replace blacklist files for you Benz Xentry Diagnostic software.
Please download llist files here
After extracting,then copy it to below folder to replace
C:\Program Files(x86)\Mercedes-Benz\Xentry\llist folder
After replacement,Benz Xentry software will work correctly.